num = int(input('请输入数字(1~7)：'))

if num == 1:
	print('星期一')
elif num == 2:
	print('星期二')
elif num == 3:
	print('星期三')
elif num == 4:
	print('星期四')
elif num == 5:
	print('星期五')
elif num == 6:
	print('星期六')
elif num == 7:
	print('星期天')
else:
	print('您输入的数字不再范围内。')